Danby 4511 Dehumidifier Manual

The Danby 4511 is a compact, energy-efficient dehumidifier designed for residential use in rooms up to 1500 square feet. It features a 30-pint per day moisture removal capacity, automatic humidity control, continuous drainage option, washable air filter, auto-defrost, and a digital display with touch controls. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation & Placement 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Operation Modes 7. Maintenance & Cleaning 8. Storage & Winterization 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Digital control panel, 1.5-gallon water tank, washable filter, continuous drainage port, casters for mobility, and auto-restart function.

Feature	Description
Moisture Removal	30 pints per day (at 80°F, 60% RH)
Tank Capacity	1.5 gallons with full tank alert and auto-shutoff
Humidity Control	Automatic with adjustable set point (35%-85%)
Air Filter	Washable mesh filter for dust and particles
Defrost System	Auto-defrost for low-temperature operation
Drainage Options	Built-in tank or continuous hose drainage
Display	Digital LED with humidity readout and indicator lights
Power Cord	6-foot, 3-prong grounded plug
Mobility	Four swivel casters for easy movement
Auto-Restart	Resumes previous settings after power interruption

Installation & Placement

Unpack and inspect contents. Place on level, stable surface.

Remove packaging: Take unit out of box, remove all tape and protective materials.
Positioning: Place at least 12 inches from walls and furniture for proper airflow.
Level surface: Ensure unit is level to prevent water leakage and operational noise.
Power connection: Plug into dedicated 115V, 60Hz outlet. Do not use extension cords.
Drainage setup: For continuous drainage, attach hose to port and route to floor drain.

WARNING! Do not operate in temperatures below 41°F (5°C). Ensure adequate ventilation around unit.

First-Time Setup

Plug in unit; allow to stand upright for 24 hours if transported horizontally.

Initial power: Plug into outlet. Display will illuminate.
Set humidity: Press HUMIDITY button to set desired level (recommended 45-50%).
Select mode: Choose between CONTINUOUS or AUTO mode based on needs.
Check filter: Ensure washable filter is clean and properly installed.
Test operation: Unit will begin dehumidifying when humidity exceeds set point.

CAUTION! Handle water tank carefully when full. Empty before moving unit.

Specifications

Model: Danby DDR030B1WDB (4511 Series)
Capacity: 30 pints per day (AHAM)
Coverage: Up to 1500 sq. ft. in moderate humidity conditions
Power: 115V, 60Hz, 3.5 Amps
Water Tank: 1.5 gallon capacity with handle and float
Noise Level: ≤ 51 dB on low setting
Refrigerant: R410a (eco-friendly)
Dimensions: 15.4" W × 11.4" D × 19.9" H
Weight: 33 lbs
Warranty: 1-year parts and labor

Controls and Settings

Digital control panel located on top of unit. Front Panel: POWER, MODE, HUMIDITY SET, FAN SPEED, TIMER.

Display Indicators: Current humidity %, set point, tank full, filter clean, defrost mode, fan speed.

Humidity Control: Adjust between 35%-85% in 5% increments. Modes: AUTO (cycles based on set point), CONTINUOUS (runs constantly), DRY (for laundry rooms). Fan Speed: HIGH for maximum moisture removal, LOW for quiet operation. Timer: 1-24 hour programmable on/off timer. Filter Alert: LED lights when filter needs cleaning.

Operation Modes

Three operational modes for different humidity conditions.

AUTO Mode: Unit runs when humidity exceeds set point, stops when reached.
CONTINUOUS Mode: Runs continuously regardless of humidity level.
DRY Mode: Optimized for drying laundry or very damp spaces.
Fan Only: Circulates air without dehumidifying.
Defrost Cycle: Automatically activates when coil temperature drops below 41°F.

Tip: Use AUTO mode for energy efficiency. CONTINUOUS mode for initial drying of very damp areas.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

Daily: Check and empty water tank when FULL indicator lights.
Weekly: Clean air filter under running water, allow to dry completely before reinstalling.
Monthly: Wipe exterior with soft, damp cloth. Clean tank with mild detergent.
Seasonally: Check drainage hose for clogs if using continuous drainage.
Annually: Inspect coils for dust buildup; clean with soft brush if needed.

WARNING! Always unplug unit before cleaning. Never use harsh chemicals or abrasives.

Storage & Winterization

Proper storage prevents damage during non-use periods.

Unplug unit and allow to dry completely for 24 hours.
Empty and clean water tank thoroughly.
Clean air filter and ensure it's dry before storage.
Coil power cord neatly and secure with twist tie.
Store upright in dry, temperature-controlled area (above 41°F).
Cover with breathable cloth to prevent dust accumulation.

CAUTION! Do not store unit outdoors or in freezing temperatures. Never place heavy items on top.

Regulatory Information

UL Listed: Meets UL 474 safety standards for dehumidifiers. Energy Star: Certified for energy efficiency. EPA Refrigerant: Uses R410a, an environmentally friendly refrigerant. FCC Part 15: Class B digital device compliant. Copyright © Danby Products Inc. For support, visit www.danby.com or contact 1-800-263-2629. Manufactured under license from Danby Products Inc., Guelph, Ontario, Canada.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not starting	Power issue/tank full	Check power outlet; ensure tank is empty and properly seated.
Low moisture removal	Dirty filter/room temp	Clean air filter; ensure room temperature above 65°F.
Water leakage	Tank not seated/drain clog	Remove and reinsert tank; check continuous drain hose for kinks.
Loud operation	Uneven surface/component	Place on level floor; ensure internal components are secure.
Display not working	Power interruption	Unplug for 5 minutes, then reconnect; check circuit breaker.
Ice on coils	Low temperature	Auto-defrost should activate; move to warmer area if below 41°F.
Fan not running	Motor obstruction	Unplug and check for obstructions in fan area; contact service.

Reset: Unplug for 10 minutes to reset electronic controls.

Service: 1-800-263-2629; www.danby.com